Top definition
1. To suddenly discover that one, under circumstances of excitement or happiness, that one has in fact ejaculated.

2. Goes the same for any type of substance which has been released into the underpants.

Mommy...I made happy in my pants again...
What have i told you about playing on the tyre swing?
1. Wow! A Butterfly!
It's enough to make happy in one's pants

2. You make one happy in one's pants!
by Pie Brother TB January 20, 2008
Get the mug
Get a make happy in one's pants mug for your barber Larisa.